Climatological Report (Daily)
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CDUS43 KLOT 202239
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST SAT DEC 20 2014


...................................

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 20 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         35    152 PM  59    1988  34      1
                                      1949
  MINIMUM         32    947 AM  -9    1963  21     11
  AVERAGE         34                        28      6

PRECIPITATION (IN)
  TODAY            T             1.12 2012   0.08  -0.08
  MONTH TO DATE    0.26                      1.75  -1.49
  SINCE DEC 1      0.26                      1.75  -1.49
  SINCE JAN 1     41.18                     38.27   2.91

DEGREE DAYS
 HEATING
  TODAY           31                        37     -6
  MONTH TO DATE  599                       691    -92
  SINCE DEC 1    599                       691    -92
  SINCE JUL 1   1856                      1826     30

 COOLING
  TODAY            0                         0      0
  MONTH TO DATE    0                         0      0
  SINCE DEC 1      0                         0      0
  SINCE JAN 1   1066                      1045     21
...............................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT SNOW


..........................................................


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        62      1967
 MINIMUM TEMPERATURE (F)   21       -13      1989


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   714 AM CST   SUNSET   423 PM CST
DECEMBER 21 2014......SUNRISE   715 AM CST   SUNSET   423 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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